at once
- immediate adj.
- directly adv.
- early adv.
- ensemble adv.
- forthwith adv.
- hand over fist adv.
- in a moment adv.
- instantaneously adv.
- instantly adv.
- now adv.
- now adv.
- posthaste adv.
- promptly adv.
- readily adv.
- right adv.
- right off adv.
- right off the bat adv.
- straight adv.
- straightaway adv.
- straight off adv.
- tout de suite adv.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“That has required subtle changes to a more service-oriented business model. This isn’t happening all at once — it’s been happening slowly.”
From MarketWatch ● Nov. 8, 2026
On Tuesday night, two things happened at once, and the country will be tempted to remember only one of them.
From Salon ● Nov. 5, 2026
All at once, the game plan unfurled, as El-Sayed heeded those warnings.
From Slate ● Nov. 4, 2026
Over time the programs pile up until the bill comes due all at once.
From The Wall Street Journal ● Nov. 3, 2026
Gingersnipes was now battling many serpents at once.
From "The Undead Fox of Deadwood Forest" by Aubrey Hartman
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